package com.java_base.study;

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("你好！世界？");
        System.out.println("你好！码云");
        System.out.println("main分支修改了内容！");
        System.out.println("B40-30分支修改了内容！");
    }
}
